lib/libhgfs/info.c

   1 /* Part of libhgfs - (c) 2009, D.C. van Moolenbroek */
   2
   3 #include "inc.h"
   4
   5 /*===========================================================================*
   6  *                              hgfs_queryvol                                *
   7  *===========================================================================*/
   8 int hgfs_queryvol(char *path, u64_t *free, u64_t *total)
   9 {
  10 /* Retrieve information about available and total volume space associated with
  11  * a given path.
  12  */
  13   u32_t lo, hi;
  14   int r;
  15
  16   RPC_REQUEST(HGFS_REQ_QUERYVOL);
  17
  18   path_put(path);
  19
  20   /* It appears that this call always fails with EACCES ("permission denied")
  21    * on read-only folders. As far as I can tell, this is a VMware bug.
  22    */
  23   if ((r = rpc_query()) != OK)
  24         return r;
  25
  26   lo = RPC_NEXT32;
  27   hi = RPC_NEXT32;
  28   *free = make64(lo, hi);
  29
  30   lo = RPC_NEXT32;
  31   hi = RPC_NEXT32;
  32   *total = make64(lo, hi);
  33
  34   return OK;
  35 }